honor. >> and so steady. this educated, friendly, mild-mannered woman was the same one who viciously stabbed anna lisa raymundo to death? exactly, according to the prosecutor and police. she planned the killing, she carried it out, she covered it up. nelson sessler, a one-time suspect, was now introduced to the jury as just another victim of sheila's lies and manipulation. >> at any time prior to march 23 of 2002003, did she ever tell y she was married? >> no. she never did. >> and a low-keyed demeanor that police had once found so suspicious, now it seemed that's just how he is. >> he's very laid back. he's too laid back. people might miss interpret that for not being emotional at all, or not caring. but i think he does care, and he did care. >> he just didn't notice, according to the prosecution, that sheila davalloo's feelings were so intense. he even seemed clueless in the summer before anna lisa was killed, sheila suddenly showed up on his flight for las vegas. >> i looked up to see sheila davalloo walk up to me. >> at the airport? >> at the airport. there she was. and she was o
